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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6. 	cout << "OVERDAMPED" << endl << endl;
  7.  
  8. 	for (double b = 0; b <= 19; b++)
  9. 	{
  10. 		for (double c = -19; c < 0; c++)
  11. 		{
  12. 			if (sqrt((b * b) - (4 * c)) == floor(sqrt((b * b) - (4 * c))) && (b * b) - (4 * c) != 0)
  13. 			{
  14. 				if (b == 0)
  15. 				{
  16. 					cout << "y'' + " << b << "y' - " << -c << "y = f(x)" << endl;
  17. 				}
  18. 				else
  19. 				{
  20. 					cout << "y'' +/- " << b << "y' - " << -c << "y = f(x)" << endl;
  21. 				}
  22. 			}
  23. 		}
  24.  
  25. 		for (double c = 0; c <= 19; c++)
  26. 		{
  27. 			if (sqrt((b * b) - (4 * c)) == floor(sqrt((b * b) - (4 * c))) && (b * b) - (4 * c) != 0)
  28. 			{
  29. 				if (b == 0)
  30. 				{
  31. 					cout << "y'' + " << b << "y' + " << c << "y = f(x)" << endl;
  32. 				}
  33. 				else
  34. 				{
  35. 					cout << "y'' +/- " << b << "y' + " << c << "y = f(x)" << endl;
  36. 				}
  37. 			}
  38. 		}
  39. 	}
  40.  
  41. 	cout << endl << "CRITICALLY DAMPED" << endl << endl;
  42.  
  43. 	for (double b = 0; b <= 19; b++)
  44. 	{
  45. 		for (double c = -19; c < 0; c++)
  46. 		{
  47. 			if ((b * b) - (4 * c) == 0)
  48. 			{
  49. 				if (b == 0)
  50. 				{
  51. 					cout << "y'' + " << b << "y' - " << -c << "y = f(x)" << endl;
  52. 				}
  53. 				else
  54. 				{
  55. 					cout << "y'' +/- " << b << "y' - " << -c << "y = f(x)" << endl;
  56. 				}
  57. 			}
  58. 		}
  59.  
  60. 		for (double c = 0; c <= 19; c++)
  61. 		{
  62. 			if ((b * b) - (4 * c) == 0)
  63. 			{
  64. 				if (b == 0)
  65. 				{
  66. 					cout << "y'' + " << b << "y' + " << c << "y = f(x)" << endl;
  67. 				}
  68. 				else
  69. 				{
  70. 					cout << "y'' +/- " << b << "y' + " << c << "y = f(x)" << endl;
  71. 				}
  72. 			}
  73. 		}
  74. 	}
  75.  
  76. 	cout << endl << "UNDERDAMPED" << endl << endl;
  77.  
  78. 	for (double b = 0; b <= 19; b++)
  79. 	{
  80. 		for (double c = -19; c < 0; c++)
  81. 		{
  82. 			if (sqrt((4 * c) - (b * b)) == floor(sqrt((4 * c) - (b * b))) && (b * b) - (4 * c) != 0)
  83. 			{
  84. 				if (b == 0)
  85. 				{
  86. 					cout << "y'' + " << b << "y' - " << -c << "y = f(x)" << endl;
  87. 				}
  88. 				else
  89. 				{
  90. 					cout << "y'' +/- " << b << "y' - " << -c << "y = f(x)" << endl;
  91. 				}
  92. 			}
  93. 		}
  94.  
  95. 		for (double c = 0; c <= 19; c++)
  96. 		{
  97. 			if (sqrt((4 * c) - (b * b)) == floor(sqrt((4 * c) - (b * b))) && (b * b) - (4 * c) != 0)
  98. 			{
  99. 				if (b == 0)
  100. 				{
  101. 					cout << "y'' + " << b << "y' + " << c << "y = f(x)" << endl;
  102. 				}
  103. 				else
  104. 				{
  105. 					cout << "y'' +/- " << b << "y' + " << c << "y = f(x)" << endl;
  106. 				}
  107. 			}
  108. 		}
  109. 	}
  110.  
  111. 	cout << endl << endl;
  112. 	return 0;
  113. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:12:8: error: ‘sqrt’ was not declared in this scope
    if (sqrt((b * b) - (4 * c)) == floor(sqrt((b * b) - (4 * c))) && (b * b) - (4 * c) != 0)
        ^~~~
prog.cpp:12:8: note: suggested alternative: ‘qsort’
    if (sqrt((b * b) - (4 * c)) == floor(sqrt((b * b) - (4 * c))) && (b * b) - (4 * c) != 0)
        ^~~~
        qsort
prog.cpp:12:35: error: ‘floor’ was not declared in this scope
    if (sqrt((b * b) - (4 * c)) == floor(sqrt((b * b) - (4 * c))) && (b * b) - (4 * c) != 0)
                                   ^~~~~
prog.cpp:12:35: note: suggested alternative: ‘float’
    if (sqrt((b * b) - (4 * c)) == floor(sqrt((b * b) - (4 * c))) && (b * b) - (4 * c) != 0)
                                   ^~~~~
                                   float
prog.cpp:27:8: error: ‘sqrt’ was not declared in this scope
    if (sqrt((b * b) - (4 * c)) == floor(sqrt((b * b) - (4 * c))) && (b * b) - (4 * c) != 0)
        ^~~~
prog.cpp:27:8: note: suggested alternative: ‘qsort’
    if (sqrt((b * b) - (4 * c)) == floor(sqrt((b * b) - (4 * c))) && (b * b) - (4 * c) != 0)
        ^~~~
        qsort
prog.cpp:27:35: error: ‘floor’ was not declared in this scope
    if (sqrt((b * b) - (4 * c)) == floor(sqrt((b * b) - (4 * c))) && (b * b) - (4 * c) != 0)
                                   ^~~~~
prog.cpp:27:35: note: suggested alternative: ‘float’
    if (sqrt((b * b) - (4 * c)) == floor(sqrt((b * b) - (4 * c))) && (b * b) - (4 * c) != 0)
                                   ^~~~~
                                   float
prog.cpp:82:8: error: ‘sqrt’ was not declared in this scope
    if (sqrt((4 * c) - (b * b)) == floor(sqrt((4 * c) - (b * b))) && (b * b) - (4 * c) != 0)
        ^~~~
prog.cpp:82:8: note: suggested alternative: ‘qsort’
    if (sqrt((4 * c) - (b * b)) == floor(sqrt((4 * c) - (b * b))) && (b * b) - (4 * c) != 0)
        ^~~~
        qsort
prog.cpp:82:35: error: ‘floor’ was not declared in this scope
    if (sqrt((4 * c) - (b * b)) == floor(sqrt((4 * c) - (b * b))) && (b * b) - (4 * c) != 0)
                                   ^~~~~
prog.cpp:82:35: note: suggested alternative: ‘float’
    if (sqrt((4 * c) - (b * b)) == floor(sqrt((4 * c) - (b * b))) && (b * b) - (4 * c) != 0)
                                   ^~~~~
                                   float
prog.cpp:97:8: error: ‘sqrt’ was not declared in this scope
    if (sqrt((4 * c) - (b * b)) == floor(sqrt((4 * c) - (b * b))) && (b * b) - (4 * c) != 0)
        ^~~~
prog.cpp:97:8: note: suggested alternative: ‘qsort’
    if (sqrt((4 * c) - (b * b)) == floor(sqrt((4 * c) - (b * b))) && (b * b) - (4 * c) != 0)
        ^~~~
        qsort
prog.cpp:97:35: error: ‘floor’ was not declared in this scope
    if (sqrt((4 * c) - (b * b)) == floor(sqrt((4 * c) - (b * b))) && (b * b) - (4 * c) != 0)
                                   ^~~~~
prog.cpp:97:35: note: suggested alternative: ‘float’
    if (sqrt((4 * c) - (b * b)) == floor(sqrt((4 * c) - (b * b))) && (b * b) - (4 * c) != 0)
                                   ^~~~~
                                   float
stdout 
Standard output is empty
https://ideone.com/2yszmj
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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